(19)

(11)

EP 4 320 424 A1

(12)

(43) Date of publication: 14.02.2024 Bulletin 2024/07 (21) Application number: 21721404.8 (22) Date of filing: 07.04.2021

(51) International Patent Classification (IPC):  G01N 21/552(2014.01) (52) Cooperative Patent Classification (CPC): G01N 21/554; B07C 5/342 (86) International application number: PCT/EP2021/059010 (87) International publication number: WO 2022/214166 (13.10.2022 Gazette 2022/41)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (71) Applicant: Friemann Dmitriev, Alexander 412 96 Gothenburg (SE)	(72) Inventors: CICHELERO, Rafael 424 32 Angered (SE) FRIEMANN DMITRIEV, Alexander 412 96 Göteborg (SE) (74) Representative: Valea AB  Box 1098 405 23 Göteborg 405 23 Göteborg (SE)